Repair - TM-55-1930-208-240191

TM 55-1930-208-24

3-44. FLYWHEEL - Continued.

Repair. Repair is limited to the replacement of the ring gear as follows:

(1)

Support the flywheel, crankshaft side down, on a solid flat surface.

(2)

Drive the ring gear off the flywheel with a suitable drift and hammer. Work around the circumference of

the gear to avoid binding the gear on the flywheel.

(3)

Turn the flywheel ring gear side up.

(4)

Rest the ring gear on a flat metal surface.

(5)

Heat ring gear uniformly with an acetylene torch, keeping the torch moving around the gear to avoid hot

spots.

(6)

Use a pair of tongs to place the ring gear on the flywheel.

(7)

Tap the gear into place against the shoulder of the flywheel. If the gear cannot be tapped into place

readily, remove it and reheat.

Installation.

(1)

Refer to figure 3-91 and attach flywheel lifting tool (3) to flywheel (4) with two 7/16 inch-14 bolts.

(2)

Lift flywheel into position and align with crankshaft bolt holes.

(3)

Remove flywheel lifting tool.

(4)

Install scuff plate (2) and six bolts (1). Apply international Compound No. 2 to the threads of the bolts.

Wipe off excess.

(5)

Torque six bolts (1) to 50 ft-lb (68 Nni), then tighten six bolts (1) an additional 1/4 turn.

3-154